. (2001). . (e123775). Strategy, 9(2), e123775
. "" .e123775 , Strategy, 9, 2, 2001, e123775.
. (2001). '', Strategy, 9(2), e123775.
, "," Strategy, 9 2 (2001): e123775,
. . Strategy. 2001;9(2):e123775 (In Persian).
